@mixin transform($v) {
  transform: $v;
}
@mixin borderRadius($v) {
  -ms-border-radius: &v;
  border-radius: $v;
}

/*4.24 气泡卡片
  name:      popover
*/
.popover {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1060;
  display: none;
  max-width: 276px;
  padding: 1px;
  font-size: 14px;
  font-weight: normal;
  line-height: 1.42857143;
  text-align: left;
  white-space: normal;
  background-color: #fff;
  -webkit-background-clip: padding-box;
  background-clip: padding-box;
  border: 1px solid #ccc;
  border: 1px solid rgba(0, 0, 0, .2);
  @include borderRadius(6px);
  @include boxShadow(0 5px 10px rgba(0, 0, 0, .2));
  >.arrow,
  >.arrow:after {
    position: absolute;
    display: block;
    width: 0;
    height: 0;
    border-color: transparent;
    border-style: solid;
  }
  >.arrow {
    border-width: 11px;
    &:after {
      content: "";
      border-width: 10px;
    }
  }
  .popover-title {
    padding: 8px 14px;
    margin: 0;
    font-size: 14px;
    background-color: #f7f7f7;
    border-bottom: 1px solid #ebebeb;
    @include borderRadius(5px 5px 0 0);
  }
  .popover-content {
    padding: 9px 14px;
  }

  &.top {
    margin-top: -10px;
    >.arrow {
      bottom: -11px;
      left: 50%;
      margin-left: -11px;
      border-top-color: #999;
      border-top-color: rgba(0, 0, 0, .25);
      border-bottom-width: 0;
      &:after {
        bottom: 1px;
        margin-left: -10px;
        content: " ";
        border-top-color: #fff;
        border-bottom-width: 0;
      }
    }
  }
  &.right {
    margin-left: 10px;
    >.arrow {
      top: 50%;
      left: -11px;
      margin-top: -11px;
      border-right-color: #999;
      border-right-color: rgba(0, 0, 0, .25);
      border-left-width: 0;
      &:after {
        bottom: -10px;
        left: 1px;
        content: " ";
        border-right-color: #fff;
        border-left-width: 0;
      }
    }
  }
  &.bottom {
    margin-top: 10px;
    >.arrow {
      top: -11px;
      left: 50%;
      margin-left: -11px;
      border-top-width: 0;
      border-bottom-color: #999;
      border-bottom-color: rgba(0, 0, 0, .25);
      &:after {
        top: 1px;
        margin-left: -10px;
        content: " ";
        border-top-width: 0;
        border-bottom-color: #fff;
      }
    }
  }
  &.left {
    margin-left: -10px;
    >.arrow {
      top: 50%;
      right: -11px;
      margin-top: -11px;
      border-right-width: 0;
      border-left-color: #999;
      border-left-color: rgba(0, 0, 0, .25);
      &:after {
        right: 1px;
        bottom: -10px;
        content: " ";
        border-right-width: 0;
        border-left-color: #fff;
      }
    }
  } 
}